초록 ▼

A device for introducing an active substance solution into a patient and with means for fastening to the skin and a cannula. The cannula is held in a withdrawn position by a retaining and releasing mechanism before use and, after release, is propelled into the patient's skin. A connector connected t

A device for introducing an active substance solution into a patient and with means for fastening to the skin and a cannula. The cannula is held in a withdrawn position by a retaining and releasing mechanism before use and, after release, is propelled into the patient's skin. A connector connected to the rear of the cannula serves to connect the cannula to an active substance reservoir.

대표청구항 ▼

[ We claim:] [1.] A device for introducing into a patient a liquid active substance received from an external conveying unit, which comprises:a) a housing having a central cavity and a base;b) means for adhering the base to the skin of a patient;c) a cannula holder located within the cavity, the can

[ We claim:] [1.] A device for introducing into a patient a liquid active substance received from an external conveying unit, which comprises:a) a housing having a central cavity and a base;b) means for adhering the base to the skin of a patient;c) a cannula holder located within the cavity, the cannula holder being configured and dimensioned to move from a first terminal position to a second terminal position;d) a cannula secured to the cannula holder, the cannula being configured and dimensioned so that when the cannula holder is at the first terminal position, the cannula does not pass through the base, and when the cannula holder at the second terminal position, the cannula passes through the base, and when the base is adhered to the skin of a patient, into the skin of the patient;e) advancer means located within the cavity for moving the cannula holder from the first terminal position to the second terminal position;f) connecting means for receiving a liquid active substance from a conveying unit, the connecting means being configured and dimensioned to releasably secure the device to the conveying unit;g) a connection channel configured and dimensioned so that when the cannula holder is at the first terminal position, liquid active substance received by the connection means cannot flow from the connecting means through the connection channel into the cannula, and when the cannula holder is at the second terminal position, liquid active substance received by the connecting means can flow from the connecting means through the connection channel and into and through the cannula.